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METHODS OF ESSENTIAL OIL EXTRACTION

HOW DOES KAIAA DO IT?

KAIAA extracts its essential oils from plants using two methods. These two are also the most commonly used methods of essential oil extraction. Although the methods have been known for hundreds of years, they are considered common practice to this day, albeit in a much more sophisticated form. The combination of ancient methods and modern knowledge has led us to a higher level of utilization of plant material, i.e., a higher amount of essential oil that can be extracted from the plant. In addition, modern knowledge has enabled us to obtain oils of greater quality and stability. KAIAA likes thing to be drawn out simply and understandably, so she invites you to take a closer look at these two methods.

STEAM DISTILLATION

A) Water is heated to boiling pint, i.e., the temperature of 100°C, at which it transforms from liquid form to a vapor. The water is not in direct contact with the plant material. By doing this, we achieve maximum oil quality and stability.

B) The water vapor then reaches a separate boiler in which the plant material is placed. During this part of the process, water vapor binds to itself the particles of plants that will later become essential oils.

C) This mixture of vapor and essential oil compounds then pass through a condensation tube which is a thin, glass tube, cooled beneath a temperature of 100°C. Again, a change of state occurs – vapor returns back to liquid form.


D) We now have a liquid mixture that contains both water and essential oil compounds.


E) The procedure of separating the essential oil from the water is the next step. Because oil is less dense than water, it stays on the surface, making the separation process easy. Once collected from the surface, the essential oil is now ready for proper packaging and storage.

COLD-PRESSING

A) Pre-prepared plant material is fist placed in a pressing device. In most cases, the plant material is mixed with water for easier processing.

B) The mixture then passes through a part of the machine which further grinds the plant material and water mixture to extract as much oil as possible.

C) The whole mixture is thoroughly pressed, resulting in liquid pouring out through the openings – part is water, part is essential oil.

D) As with distillation, the oil is collected from the surface of the mixture and then continues its way to proper packaging and storing.

E) Excess plant material that cannot be used for essential oil extraction continues its way to the other side and is used for other purposes.

BUT WHAT COMES AFTER?

Since essential oils are volatile liquids that evaporate quickly, it is important to seal them as soon as possible after separating them from the plant material. Essential oils should be in direct contact with the air for as short a time as possible. They dislike light exposure, and especially direct sunlight. After extraction, they enjoy moderate temperatures. Therefore, after separation, the essential oils should be tightly sealed so that they do not come into contact with air, stored at room temperature or lower, in glass containers or bottles that are not translucent. In that way, the oils will be maximally preserved. In this way, they will reach you in the best possible condition and provide you with the benefits they are mean to.

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